Police say the victim 58-year-old Ki-Suk Han of Queens, was seen on surveillance video, arguing with another man on the platform of the 49th Street Station in Manhattan moments before witnesses saw the man push him onto the tracks.

(Witness) “I saw the train pull into the station, about three-quarters into the station you know, you almost heard like a thud.”

The victim, crushed by a downtown bound Q train.

(Witness) “That’s when you heard people yelling, people running out.”

And police say the search is now on for the suspect described as a black male about 20-to-30, six-feet tall, with dreadlocks.